/*******************************************************************************
 * This file is part of blueprint4j www.blueprint4j.org.
 * 
 *     blueprint4j is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     blueprint4j is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Lesser General Public License for more details.
 * 
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with blueprint4j. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package blueprint4j.db;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.DateFormat;
import java.text.ParseException;
import java.util.Date;
import java.sql.*;

import blueprint4j.utils.*;

public class FieldLong extends Field implements BindLongInterface {
    
    /**
     * public Field( String p_name, String p_description, boolean p_key_field
     *
     * Name: Name of field -> equivalent to table.field_name
     * Description: Description of field
     * key_field: Is this field a key field in the table (index field)
     */
    public FieldLong( String p_name, int p_field_type ,String p_description,Entity entity ) {
        super( p_name,p_field_type,p_description,entity );
    }
    
    public Field newInstance(Entity entity) {
        return new FieldLong(getName(),getFieldType(),getDescription(),entity);
    }
    
    protected void setFieldValue( ResultSet result_set )
    throws DataException {
        try {
            setObject( new Long(result_set.getLong( getName() )) );
            if (result_set.wasNull()) {
                setObject(null);
            }
        } catch ( SQLException se ) {
            se.printStackTrace();
            throw new DataException( "Can not retrieve '" + getName() + "'" );
        };
    }
    
    public Long get()  {
        return (Long) getObject();
    }
    
    public void set(Long value) {
        setObject(value);
    }
    
    public String toString(){
        if (getObject() == null) {
            return null;
        }
        return getObject().toString();
    }
    
    /**
     * Return data in a suitable SQL format
     */
    public String getSQLValue()
    throws DataException {
        if (getObject() == null) {
            return "null";
        }
        return get().toString();
    }
    
    /**
     * An overloaded equals method that only accepts the correct type
     */
    public boolean equals(Long value) {
        return get().equals(value);
    }
    
    public Object getPreparedStatementObject()
    throws DataException {
        return getObject();
    }
    
    public void setSerializable(String value) throws BindException {
        if ("null".equalsIgnoreCase(""+value)) {
            setObject(null);
        } else {
            setObject(new Long(value));
        }
    }
    
}
